Set Conditions
- Set Condition:
The Powertrain Control Module (PCM) requests the Totally Integrated Power Module (TIPM) to turn on the radiator fan and it is not operating. The TIPM detects a short to voltage in the coil control circuit of either the radiator fan high relay (20) or radiator fan high/low control relay (19). One trip fault. Three good trips to turn off the Malfunction Indicator Lamp (MIL).